Season 4
Artwork
| # | Image | Title | Aired |
|---|---|---|---|
| 1 |  | Full Moon | Mar 10, 1999 |
| 2 |  | Student Teacher | Mar 10, 1999 |
| 3 |  | Big Gino | Mar 15, 1999 |
| 4 |  | Jamie O in Love | Mar 15, 1999 |
| 5 |  | Eugene's Birthday | Mar 17, 1999 |
| 6 |  | Stinky's Pumpkin | Mar 15, 1999 |
| 7 |  | The Beeper Queen | Mar 29, 1999 |
| 8 |  | Oskar Can't Read? | Mar 29, 1999 |
| 9 |  | Dinner for Four | Mar 31, 1999 |
| 10 |  | Phoebe Skips | Mar 31, 1999 |
| 11 |  | Helga's Parrot | Apr 5, 1999 |
| 12 |  | Chocolate Turtles | Apr 5, 1999 |
| 13 |  | Love and Cheese | Apr 7, 1999 |
| 14 |  | Weighing Harold | Apr 7, 1999 |
| 15 |  | Back to School | Sep 11, 1999 |
| 16 |  | Egg Story | Sep 11, 1999 |
| 17 |  | It Girl | Sep 18, 1999 |
| 18 |  | Deconstructing Arnold | Sep 18, 1999 |
| 19 |  | Grudge Match | Sep 25, 1999 |
| 20 |  | Polishing Rhonda | Sep 25, 1999 |
| 21 |  | Weird Cousin | Oct 9, 1999 |
| 22 |  | Baby Oskar | Oct 9, 1999 |
| 23 |  | Grandpa's Sister | Oct 16, 1999 |
| 24 |  | Synchronized Swimming | Oct 16, 1999 |
| 25 |  | Helga Sleepwalks | Oct 23, 1999 |
| 26 |  | Fighting Families | Oct 23, 1999 |
| 27 |  | Headless Cabbie | Oct 30, 1999 |
| 28 |  | Friday the 13th | Oct 30, 1999 |
| 29 |  | Veterans Day | Nov 6, 1999 |
| 30 |  | Helga on the Couch | Dec 4, 1999 |
| 31 |  | Dino Checks Out | Dec 11, 1999 |